The GLHT8 24″ Hybrid T8 LED Glass Tube, 10W, 3500K features a dual mode internal driver that automatically adapts to either ballasted fixtures or direct AC voltage formats. Simply plug it in and turn it on for energy savings over 40 percent! 24″ Hybrid T8 LED Glass Tube, 10W, 3500K, 120-277V provides a natural lighting effect for use in general lighting applications, as well as instant energy savings – an environmentally friendly solution. The LT8 family of LED T8 lamps combine high-performance LEDs, highly-engineered optics to traditional T8 lamp form factors to bring you the most advanced line of LED T8 Lamps on the market. Multiple lumen packages mean there is an LT8 that is just right for your lighting needs.